Home / 1,569,787.40-2,166,279-881,464.70

Finding the Fourth Proportional to 1,569,787.40, 2,166,279 and 881,464.70

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Solution

The fourth proportional to 1,569,787.40, 2,166,279 and 881,464.70 is: 1,216,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,787.40 : 2,166,279 = 881,464.70 : x
  2. Step 2: Convert to fraction form
    1,569,787.40/2,166,279 = 881,464.70/x
  3. Step 3: Cross multiply
    1,569,787.40x = 2,166,279 × 881,464.70
  4. Step 4: Simplify right side
    1,569,787.40x = 1,909,498,468,851.30
  5. Step 5: Solve for x
    x = 1,909,498,468,851.30/1,569,787.40
  6. Step 6: Final answer
    x = 1,216,405.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.